Home / 154,112.76-212,615.54-96,718.59

Finding the Fourth Proportional to 154,112.76, 212,615.54 and 96,718.59

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Solution

The fourth proportional to 154,112.76, 212,615.54 and 96,718.59 is: 133,433.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,112.76 : 212,615.54 = 96,718.59 : x
  2. Step 2: Convert to fraction form
    154,112.76/212,615.54 = 96,718.59/x
  3. Step 3: Cross multiply
    154,112.76x = 212,615.54 × 96,718.59
  4. Step 4: Simplify right side
    154,112.76x = 20,563,876,279.99
  5. Step 5: Solve for x
    x = 20,563,876,279.99/154,112.76
  6. Step 6: Final answer
    x = 133,433.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.